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3 years ago

Somebody help!!!! DON'T UNDERSTAND!!!!!! What am I getting wrong!?!

Mathematics

1 answer:

Natali [406]3 years ago

5 0

Answer:

2x ^5 sqrt( 6x)

Step-by-step explanation:

sqrt( 3 x^4) * sqrt( 8 x^7)

Multiply them together

sqrt( 3x^4 * 8x^7)

sqrt( 24 x^ (4+7))

sqrt( 24 x^11)

We can simplify

sqrt(24) sqrt(x^11)

sqrt( 4*6) sqrt( x^10) sqrt(x)

sqrt(4) sqrt(6) x^5sqrt(x)

2 sqrt(6) x^5sqrt( x)

Combining the square roots

2x ^5 sqrt( 6x)

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Hey! The drink was $1.15 because $10 minus the cost of the lunch ($7.75), tax (0.47), and what was given back in change (0.63) leaves you with $1.15

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3 years ago

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Step-by-step explanation:

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3 years ago

The Ridgeport school district collected data about class size in the district. The table shows the class for sizes five randomly

vladimir1956 [14]

Answer:

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2 years ago

Please help! I must match the numbers on the left with all appropriate number sets on the right . A number on the left may match

Flura [38]

Answer:

$\sqrt{5}$ = Irrational

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$\frac{1}{2}$ = Rational

-2 = Integers, Rational

Explanation:

See attached photo! (it is hard to explain in words haha)

Side note: All natural numbers are rational numbers, but not all rational numbers are natural numbers (this applies differently to all sections, like all integers are whole, but not all whole are integers, etc)

Side note #2: Whole numbers are just natural numbers AND zero

Hope this is correct (or at least helps), have a nice day! :D

3 0

2 years ago

The sum of 8n²- 3n + 10 and 3n² - 6n-7 is ?

vampirchik [111]

Step-by-step explanation:

= (8n² - 3n + 10) + (-3n² - 6n - 7)

= (8 - 3)n² + (-3 - 6)n + (10 - 7)

= 5n² - 9n + 3

Option → #1

5 0

2 years ago